▎ 摘　　要

NOVELTY - Diesel antiwear agent comprises 60-100 pts. wt. oleic acid, 20-60 pts. wt. 2-6C polyol and 10-20 pts. wt. graphene oxide. USE - Diesel antiwear agent. ADVANTAGE - The agent does not create pollution, is environment-friendly, improves oil quality and effect performance of diesel engine and reduce consumption of fossil raw material. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparation of diesel antiwear agent comprising dehydrating oleic acid, distilling oleic acid, controlling temperature at 120-160 degrees C, reacting for 4-10 hours, cooling at room temperature, freezing at 5-15 degrees C for 3-12 hours, heating frozen solid oleic acid at 160 degrees C, dehydrating, adding oleic acid to polyol and graphene oxide, heating at 250 degrees C for 4-6 hours, performing esterification reaction, cooling to room temperature, freezing and controlling temperature at 15 degrees C for 4 -8 hours.